WO2016026325A1 - Procédé d'authentification, terminal et support de stockage informatique basés sur une caractéristique d'empreinte vocale - Google Patents

Procédé d'authentification, terminal et support de stockage informatique basés sur une caractéristique d'empreinte vocale Download PDF

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Publication number
WO2016026325A1
WO2016026325A1 PCT/CN2015/077702 CN2015077702W WO2016026325A1 WO 2016026325 A1 WO2016026325 A1 WO 2016026325A1 CN 2015077702 W CN2015077702 W CN 2015077702W WO 2016026325 A1 WO2016026325 A1 WO 2016026325A1
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WIPO (PCT)
Prior art keywords
voiceprint feature
feature information
voice data
stored
terminal
Prior art date
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PCT/CN2015/077702
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English (en)
Chinese (zh)
Inventor
刘雪芹
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中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to US15/505,147 priority Critical patent/US20190156002A1/en
Priority to EP15833692.5A priority patent/EP3185162A4/fr
Publication of WO2016026325A1 publication Critical patent/WO2016026325A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L17/00—Speaker identification or verification techniques
    • G10L17/04—Training, enrolment or model building
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L17/00—Speaker identification or verification techniques

Definitions

  • the invention relates to a voiceprint recognition technology, in particular to a method, a terminal and a computer storage medium for performing security authentication based on voiceprint features.
  • the voice recognition mode is started, the voice command is collected, and the currently collected voice command is matched with the pre-stored voice command; if the matching similarity between the currently collected voice command and the pre-stored voice command reaches a preset matching similarity threshold, the current The user's identity is passed.
  • the voiceprint feature refers to a related feature representing the identity of the speaker.
  • embodiments of the present invention are directed to a method, a terminal, and a computer storage medium for performing security authentication based on voiceprint features, which can ensure security of a terminal based on voiceprint features.
  • the embodiment of the invention provides a method for performing security authentication based on voiceprint features, the method comprising:
  • the terminal When receiving the voice collection instruction, the terminal collects the voice data to be tested recorded by the user;
  • the identity of the current user is authenticated according to the currently extracted voiceprint feature information and the pre-stored voiceprint feature information.
  • the voiceprint feature information includes a roll flat feature parameter, a vocal cord feature parameter, an oral feature parameter, and a nasal sound feature parameter.
  • the authenticating the identity of the current user according to the currently extracted voiceprint feature information and the pre-stored voiceprint feature information including:
  • the identity authentication of the current user is passed;
  • the identity authentication of the current user fails.
  • the pre-stored voiceprint feature information includes:
  • the voiceprint feature is extracted from the template voice data to obtain voiceprint feature information and stored.
  • the method further includes:
  • the collecting voice data to be tested recorded by the user includes:
  • the voice data to be tested entered by the user according to the prompted hot words is collected.
  • the embodiment of the invention further provides a computer storage medium, wherein the computer storage medium stores a computer program for performing the method for performing security authentication based on the voiceprint feature described above.
  • an embodiment of the present invention provides a terminal, where the terminal includes: Set unit, feature extraction unit, identity authentication unit;
  • the voice collection unit is configured to collect the voice data to be tested recorded by the user when receiving the voice collection instruction;
  • a feature extraction unit configured to perform voiceprint feature extraction on the voice data to be tested to obtain voiceprint feature information
  • the identity authentication unit is configured to authenticate the identity of the current user according to the currently extracted voiceprint feature information and the pre-stored voiceprint feature information.
  • the voiceprint feature information includes a roll flat feature parameter, a vocal cord feature parameter, an oral feature parameter, and a nasal sound feature parameter.
  • the identity authentication unit is specifically configured to:
  • the identity authentication of the current user is passed;
  • the identity authentication of the current user fails.
  • the terminal further includes:
  • the voice pre-storing unit is configured to collect template voice data within a preset duration; perform voiceprint feature extraction on the template voice data to obtain voiceprint feature information and store the voiceprint feature information.
  • the terminal further includes:
  • a hot word extraction unit configured to extract at least one hot word from the template voice data and store the same
  • the voice collection unit is specifically configured to collect voice data to be tested that the user enters according to the prompted hot words.
  • the method, the terminal and the computer storage medium for performing security authentication based on the voiceprint feature provided by the embodiment of the present invention, when the terminal receives the voice collection instruction, collecting the number of voices to be tested recorded by the user And performing voiceprint feature extraction on the voice data to be tested to obtain voiceprint feature information; and authenticating the identity of the current user according to the currently extracted voiceprint feature information and the pre-stored voiceprint feature information.
  • the embodiment of the present invention can ensure the security of the terminal based on the voiceprint feature, so that the voice command is not easily cracked.
  • FIG. 1 is a schematic flowchart of a method for implementing security authentication based on voiceprint features according to an embodiment of the present invention
  • FIG. 2 is a schematic structural diagram of a terminal of an embodiment of the present invention.
  • Voiceprint recognition technology also known as speaker recognition technology, is a feature that extracts the identity of a speaker by means of a speech signal, for example, a fundamental frequency characteristic reflecting the opening and closing frequency of the glottis, a spectrum reflecting the size and shape of the mouth, and the length of the channel. Features, etc., to identify the identity of the speaker.
  • the voiceprint recognition technology is applied to the terminal, so as to ensure the security of the terminal based on the voiceprint feature
  • the terminal may be a terminal device with an intelligent application and a display function, for example, a smart phone, Terminal devices such as tablets.
  • the terminal when receiving the voice collection instruction, collects the voice data to be tested input by the user; performs voiceprint feature extraction on the voice data to be tested to obtain voiceprint feature information; and according to the currently extracted voiceprint feature information And the pre-stored voiceprint feature information, the identity of the current user is authenticated.
  • the process for performing security authentication based on voiceprint features includes:
  • Step S100 When the terminal receives the voice collection instruction, the terminal collects the voice data to be tested recorded by the user.
  • the terminal before receiving the voice collection instruction, the terminal needs to collect the template voice data within the preset duration.
  • the user can select the feature text of interest and input the selected feature text within the preset duration; the terminal collects the preset duration.
  • the template voice data is analyzed, and the voiceprint feature is analyzed and extracted according to the voiceprint feature extraction algorithm, and the voiceprint feature information is obtained and stored in a corresponding database for use as a voiceprint feature matching template;
  • the pattern extraction algorithm can be set according to actual needs.
  • the voiceprint feature extraction algorithm is not specifically limited.
  • At least one hot word needs to be extracted from the template voice data and stored in a corresponding database, so that the user inputs the voice data to be tested according to the prompted hot words, thereby enhancing the interest;
  • the preset word frequency threshold is used as a hot word for a word whose word frequency is greater than or equal to the word frequency threshold; and the hot word whose word frequency is greater than or equal to the word frequency threshold is extracted from the template voice data, for example, the preset word frequency threshold is twice, if In the template voice data, the basketball appears twice, the football appears three times, and the table tennis appears once, then the user can be prompted whether the basketball and the soccer ball need to be recorded as hot words, the hot words are recorded according to the user's choice, and the hot words are stored. In the corresponding database; when the terminal unlocking interface is triggered, the hot word is randomly selected from the corresponding database to prompt the user, so that the user inputs the voice data to be tested according to the prompted hot words.
  • the terminal can also collect template voice data recorded by the user in real time during standby and user operation.
  • the WeChat application software of the terminal and the QQ application software can input voice data, and the terminal can collect the user in the WeChat application software and QQ in real time.
  • the voice data entered in the application software and extracting the voiceprint feature information and the hot words of the recorded voice data, and storing the extracted voiceprint feature information and hot words into the corresponding database, thereby realizing the voiceprint feature information and heat in real time. Words, and thus enhance the fun.
  • the voiceprint feature information includes a roll flat feature parameter, a vocal cord feature parameter, an oral feature parameter, a nasal sound feature parameter, and the like.
  • Step S101 Perform voiceprint feature extraction on the voice data to be tested to obtain a voiceprint feature signal. interest.
  • the voiceprint feature analysis and extraction of the voice data to be tested according to the voiceprint feature extraction algorithm is performed to obtain voiceprint feature information.
  • Step S102 Authenticate the identity of the current user according to the currently extracted voiceprint feature information and the pre-stored voiceprint feature information.
  • the currently extracted voiceprint feature information is matched with the pre-stored voiceprint feature information
  • the matching degree of the currently extracted voiceprint feature information and the pre-stored voiceprint feature information is greater than or equal to a preset matching degree threshold, the identity authentication of the current user is passed, and the terminal interface is unlocked;
  • the identity authentication of the current user fails, the processing flow is ended, and the user is prompted to re-enter the voice data to be tested.
  • the terminal when receiving the voice collection instruction, collects the voice data to be tested recorded by the user; performs voiceprint feature extraction on the voice data to be tested to obtain voiceprint feature information; and according to the currently extracted voiceprint feature information And the pre-stored voiceprint feature information, the identity of the current user is authenticated.
  • the embodiment of the present invention can ensure the security of the terminal based on the voiceprint feature.
  • the embodiment of the present invention further describes a computer storage medium, wherein the computer storage medium stores a computer program, and the computer program is used to perform the method for performing security authentication based on the voiceprint feature shown in FIG. 1 in the embodiment of the present invention.
  • the embodiment of the present invention further provides a terminal.
  • the principle and method for solving the problem are similar. Therefore, the implementation process and implementation principles of the terminal can be described in the implementation process and the implementation principle of the foregoing method. It will not be repeated here.
  • the terminal provided by the embodiment of the present invention includes: a voice collection unit 200, a feature extraction unit 201, and an identity authentication unit 202;
  • the voice collection unit 200 is configured to collect the voice data to be tested recorded by the user when receiving the voice collection instruction.
  • the feature extraction unit 201 is configured to perform voiceprint feature extraction on the voice data to be tested to obtain voiceprint feature information
  • the identity authentication unit 202 is configured to authenticate the identity of the current user according to the currently extracted voiceprint feature information and the pre-stored voiceprint feature information.
  • the voiceprint feature information includes a roll flat feature parameter, a vocal cord feature parameter, an oral feature parameter, and a nasal sound feature parameter.
  • the identity authentication unit 202 is specifically configured to:
  • the identity authentication of the current user is passed;
  • the identity authentication of the current user fails.
  • the terminal further includes:
  • the voice pre-storing unit 203 is configured to collect template voice data within a preset duration; perform voiceprint feature extraction on the template voice data to obtain voiceprint feature information and store the voiceprint feature information.
  • the terminal further includes:
  • the hot word extraction unit 204 is configured to extract at least one hot word from the template voice data and store it;
  • the voice collection unit 200 is specifically configured to collect voice data to be tested that the user enters according to the prompted hot words.
  • the voice collecting unit 200, the feature extracting unit 201, the identity authenticating unit 202, the voice pre-storing unit 203, and the hot word extracting unit 204 may be a central processing unit (CPU) located at the terminal, and a microprocessor. (MPU, Micro Processor Unit), Digital Signal Processor (DSP), or Field Programmable Gate Array (FPGA) implementation.
  • CPU central processing unit
  • MPU Micro Processor Unit
  • DSP Digital Signal Processor
  • FPGA Field Programmable Gate Array
  • the terminal when receiving the voice collection instruction, collects the voice data to be tested recorded by the user; performs voiceprint feature extraction on the voice data to be tested to obtain voiceprint feature information; and according to the currently extracted voiceprint feature information
  • the pre-stored voiceprint feature information is used to authenticate the identity of the current user; thus, the security of the terminal can be ensured based on the voiceprint feature, so that the voice command is not easily cracked.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Telephone Function (AREA)
  • Collating Specific Patterns (AREA)
  • Telephonic Communication Services (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne un procédé d'authentification sécurisée basé sur une caractéristique d'empreinte vocale, le procédé comprenant les étapes suivantes : lors de la réception d'une instruction d'acquisition de voix, un terminal acquiert des données vocales devant être mesurées enregistrées par un utilisateur ; extraire une caractéristique d'empreinte vocale des données vocales devant être mesurées pour obtenir des informations de caractéristique d'empreinte vocale ; et selon les informations de caractéristique d'empreinte vocale extraite actuellement et des informations de caractéristique d'empreinte vocale pré-stockées, authentifier l'identité de l'utilisateur actuel. L'invention concerne aussi un terminal correspondant et un support de stockage informatique.
PCT/CN2015/077702 2014-08-20 2015-04-28 Procédé d'authentification, terminal et support de stockage informatique basés sur une caractéristique d'empreinte vocale WO2016026325A1 (fr)

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US15/505,147 US20190156002A1 (en) 2014-08-20 2015-04-28 Authentication method, terminal and computer storage medium based on voiceprint characteristic
EP15833692.5A EP3185162A4 (fr) 2014-08-20 2015-04-28 Procédé d'authentification, terminal et support de stockage informatique basés sur une caractéristique d'empreinte vocale

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CN201410413286.6A CN105357006A (zh) 2014-08-20 2014-08-20 一种基于声纹特征进行安全认证的方法及设备
CN201410413286.6 2014-08-20

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